I remember a very short portion of this show where there was a young man (possibly a prince?) and there were two young women (possibly one of which was a princess or some other kind of noble, and the other was lower born). The guy's mother pretended to be sick so that the son promised her he would marry the higher born girl, even though he was in love with the lower born girl. The mother secures his promise and immediately begins to feel better.
I remember watching for a while but I can only remember this portion of the plot. I suppose it may have been a movie not a show but I have always remembered it as being a cartoon I saw in at my grandma's house.